DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
PROVINCE OF SORSOGON Award a ₱4.5M contract to GDBS BUILDERS AND ENTERPRISEProvinces
Transaction hash:
b2ab3e173942e42e3b2a5b5d395794bd13c7654534aaaea19bd8c9662432d4c3
Status:
Included and unchanged
Block:
#4,597 1,416 blocks after it
Position in block:
Transaction 134 of 194
Award day:
Oct 13, 2021 (5 yrs 1 mo ago)
From:
Value:
₱4,489,986.67
Project:
CW21-08-040
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,597 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF SORSOGON awarded it to GDBS BUILDERS AND ENTERPRISE on 2021-10-13.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Sorsogon gave a "qualified" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored b2ab3e1739…32d4c3now …
- 2. Block Merkle root changedstored 85b476d1fe…09268fnow …
- 3. Block #4597 hash changedstored 2a76a7a6ba…78cd9bnow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 193 records. Each step hashes the current value together with the sibling shown.
- leaf b2ab3e173942e42e3b2a5b5d395794bd13c7654534aaaea19bd8c9662432d4c3
- 01 R b375b3fc9f31da60447973206b53e724e4094eab7875903e0e8358498da634c5
- 02 L 4bd8f19b7f2e5791af97e6ec9a676da63ed8685d37db6115f01bbcabcbfb7f1e
- 03 L f2f2c6f50db8dc375f2ed1a4db6c80ec4f88c3efd2a07a6d1aa72fad1708e2e1
- 04 R 290a2c34c23bdd63f1fc9bb0e15a37ddbe8cfb79d6c8648b9d4cb0ea180af6c8
- 05 R 12eeb94f20e08abda1ee467a4dc30f89812f19fd5ca2303140abe21abf649f75
- 06 R 564eadbdaf60bf53a95e07aa31ea7eb05226afcaae02ee265d62c3aac6269486
- 07 R 4d62015f5b981016a0bc7697225dcad5448024e2c10ec152e605cbb132d691ac
- 08 L 21ed49346733712da53cc54e2b759ef70f072d516735b0afdf51ea0d31e0eb7c
- root 85b476d1fef161556b9d201db4158bdc945d2981354f9d85b16d26183109268f